KnowBe4 Blog

Received Someone Else’s Confidential Email? Here’s What To Do.

When we think about misdirected email, we often put ourselves in the shoes of the sender. After all, nobody wants to tell their manager that they might (however accidentally) be ...

Email DLP: Everything You Need to Know

What is Email Data Loss Prevention (DLP)? Traditionally, email data loss prevention software has used static rules to stop users from emailing sensitive or confidential data. ...

FBI: Phishing Attacks Are Impersonating City and County Officials

The US Federal Bureau of Investigation (FBI) has issued an advisory warning of a phishing campaign that’s impersonating city and county officials to send phony requests for permit fees.

Exposing the Kroll Crypto Wallet Scam

I’ve been contacted by the real Kroll (www.kroll.com) a few times over the last few years regarding various real class action lawsuits they are involved in, including as recently as a few ...

How Do I Send a Secure Email in Outlook?

Sending an unsecured email can be likened to writing sensitive information on a sticky note and leaving it on someone else's desk: anybody can intercept and share that information. ...

Ransomware Attacks Surge by 50% Even as Payments Drop

The number of ransomware attacks increased by 50% in 2025, even though the number of victims who decided to pay the ransom fell to an all-time low, according to a new report from ...

[Arms Race] Hackers Use AI. Here’s Why Defenders Must Too

Yes, you need AI to defeat AI. Long-time followers of mine know that I am not an AI hype person. Some people might even call me an AI critic. I prefer to call myself an AI realist. I do ...

CyberheistNews Vol 16 #10 How to Spot a Phishing Website Before It Steals Your Data

Announcing the Custom SAPA Agent: Security Awareness Measurement Built for Your Environment

Security awareness programs are built on measurement. Before you can reduce human risk, you need a clear understanding of where knowledge gaps exist across your workforce. For many ...

9 Must-Know Best Practices for Email Security

More than 90% of successful cyberattacks start with email, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). That’s not because security teams lack tools, but ...